Is Pentamethylcyclopent-3-ene-butanol safe in cosmetics?
Pentamethylcyclopent-3-ene-butanol has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Pentamethylcyclopent-3-ene-butanol
Also known as: 3-Cyclopentene-1-butanol, α,β,2,2,3-pentamethyl-, α,β,2,2,3-Pentamethyl-3-cyclopentene-1-butanol, 3-Methyl-5-(2,2,3-trimethyl-3-cyclopentenyl)pentan-2-ol, 3-Methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol, 3-Cyclopentene-1-butanol, α,β-2,2,3-pentamethyl- (+12 more)
INCI: PENTAMETHYLCYCLOPENT-3-ENE-BUTANOL
Pentamethylcyclopent-3-ene-butanol (CAS 65113-99-7) is a cosmetic cosmetic ingredient functioning as Fragrance. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 65113-99-7 →
Auto-generated CPSR Part A draft with source citations
Function
Fragrance
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol
InChIKey
NGYMOTOXXHCHOC-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not specifically restricted by FDA; RIFM-assessed fragrance ingredient
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Pentamethylcyclopent-3-ene-butanol.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Regulatory List Membership (2)
IFRA Fragrance Transparency List
EPA Safer Chemical Ingredients List (SCIL)
Expert Verdict
Expert safety assessment and concern-level summary for Pentamethylcyclopent-3-ene-butanol.
Regulatory Flags
potential-allergen
fragrance-component
epa_safer_alternative
ifra_fragrance
Known Synonyms
3-Cyclopentene-1-butanol, α,β,2,2,3-pentamethyl-
α,β,2,2,3-Pentamethyl-3-cyclopentene-1-butanol
3-Methyl-5-(2,2,3-trimethyl-3-cyclopentenyl)pentan-2-ol
3-Methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol
3-Cyclopentene-1-butanol, α,β-2,2,3-pentamethyl-
α,β,2,2,3-Pentamethylcyclopent-3-ene-1-butanol
α,β,2,2,3-Pentamethylcyclopent-3-en-1-butanol
α,β,2,2,3-pentametilciclopent-3-eno-1-butanol
PENTAN-2-OL, 3-METHYL-5-(2,2,3-TRIMETHYL)- CYCLOPENT-3-ENYL
3-ciclopenteno-1-butanol, α,β,2,2,3-pentametil-
5-(2,2,3-Trimethyl-3-cyclopentenyl)-3-methylpentan-2-ol
3-Cyclopentene-1-butanol, alpha,beta,2,2,3-pentamethyl-
3-Cyclopentene-1-butanol, .alpha.,.beta.,2,2,3-pentamethyl-
alpha,beta,2,2,3-Pentamethylcyclopent-3-ene-1-butanol
EINECS 265-453-0
Sandalore
5-(2,2,3-Trimethylcyclopent-3-en-1-yl)-3-methylpentan-2-ol
Chemical Function
Fragrance
Regulatory Lists
IFRA Transparency
SCIL (9/2019)
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Pentamethylcyclopent-3-ene-butanol allowed in the EU?
Pentamethylcyclopent-3-ene-butanol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Pentamethylcyclopent-3-ene-butanol do in cosmetics?
Pentamethylcyclopent-3-ene-butanol functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 65113-99-7.
Is Pentamethylcyclopent-3-ene-butanol used outside cosmetics?
Pentamethylcyclopent-3-ene-butanol also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Pentamethylcyclopent-3-ene-butanol compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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Chemical family
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PENTAPEPTIDE-18
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